— Richard BurtonIn Olivia St. Claire [http://books.google.com/books?id=QMGeucMkKrAC&pg=PA309The Sex Devotional: 365 Days of Passion, Positions, and Pure Pleasure], Adams Media, 18 November 2009, p. 309
The diamond weighing 69.4 carats was gifted by Burton to Elizabeth Taylor on her fortieth birthday, which she later sold after her divorce for $5 million to fund a hospital in Botswana.

— Richard BurtonIn [http://www.dailymail.co.uk/tvshowbiz/article-1284504/Richard-Burton-Elizabeth-Taylor-The-Love-Letters-How-drinking-cocooned-pressure-fame-Without-make-love.html Richard Burton and Elizabeth Taylor: The Love Letters. How drinking cocooned them from pressure of fame. Without it, they couldn't even make love], Mail Online, 7 June 2010